# SDR UALA2011070103239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2011
- Submitted: July 25, 2011
- Operation: Air carrier
- Aircraft: [N648UA](https://openairdocs.org/aircraft/N648UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25285
- Aircraft time: 80,079 hours, 12,886 cycles
- Engine: Pwa PW4060
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: S332T00213
- Part serial: 181
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011070103239

## Discrepancy

NR 1 ENG START VALVE WILL NOT OPEN USING COCKPIT START SWITCH.  REPLACED OF LEFT ENGINE START SWITCH, NO HELP START VALVE DOES NOT OPERATE.  REPLACE NR 1 ENG START VALVE AND RESEATED NR 1 ENG N2 SPEED CARD, ENG STARTS NORMAL AND START SWITCH OPERATION NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.